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The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker, widened the teeth. [45]
Women inventors have been historically rare in some geographic regions. For example, in the UK, only 33 of 4090 patents (less than 1%) issued between 1617 and 1816 named a female inventor. [ 1 ] In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [ 1 ]
Marvin P. Middlemark held several patents for his inventions; many were lesser known than his famed Rabbit Ears, such as: a water-powered potato peeler (which failed because when done, a large potato was reduced down to the size of a large marble) and a tennis ball rejuvenator that was designed to bring the bounce back to used tennis balls.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
February 13 Max Perutz publishes the structure of hemoglobin. [4]John Kendrew publishes the structure of myoglobin. [5]March 5 – British marine biologist Sir Alister Hardy announces his aquatic ape hypothesis, theorising that swimming and diving for food exerted a strong evolutionary effect partly responsible for the divergence in the common descent of humans and other great apes.
1960: The first functioning laser is invented by Theodore Maiman. 1963: The first electronic cigarette is created by Herbert A. Gilbert. Hon Lik is often credited with its invention as he developed the modern electronic cigarette and was the first to commercialize it. 1964: Shinkansen, the first high-speed rail commercial passenger service.
November 3 – Launch of Sputnik 2, with a dog called Laika on board, the first animal sent into orbit. There is no technology available to return it to Earth. December 6 – The United States attempts launch of Vanguard TV3 which fails after just two seconds in the air.
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